An alternative calculation of the consensus degree in group decision making problems | Zendy

M.J. del Moral | Zendy; Francisco Chiclana | Zendy; Juan Miguel Tapia García | Zendy; Enrique HerreraViedma | Zendy

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An alternative calculation of the consensus degree in group decision making problems

Author(s) -

M.J. del Moral,

Francisco Chiclana,

Juan Miguel Tapia García,

Enrique HerreraViedma

Publication year - 2017

Publication title -

procedia computer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.334

H-Index - 76

ISSN - 1877-0509

DOI - 10.1016/j.procs.2017.11.431

Subject(s) - computer science , group decision making , measure (data warehouse) , degree (music) , process (computing) , index (typography) , group (periodic table) , management science , data mining , psychology , social psychology , chemistry , physics , organic chemistry , world wide web , acoustics , economics , operating system

In a problem of group decision-making it is desirable to obtain a solution with the highest possible degree of agreement –consensus- among the participants. For this aim, it is necessary to have tools that facilitate the calculation of the degree of consensus in a reliable way. This study proposes a consensus index based on a statistical measure of variability of the preferences expressed by the experts in a group decision-making process and performs a specific comparative study between this index and several known consensus measures. The analysis shows that in this specific situation the proposed measure behaves in a similar way to the previous ones and it could play their role in a process of decision making in group.

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